The UBW is an induced draft, counterflow design closed circuit cooler with a capacity range of 1410 to 27,775 MBH (413 to 8140 kW) independently certified to withstand seismic loads up to 1g horizontal acceleration and wind loads up to 125 psf for earthquake and hurricane forces. Standard construction includes the high efficiency Thermal-Pak® Coil and G-235 (Z600 Europe) galvanized steel casing and basin. Type 304 stainless steel is available for the basin or the entire unit.